Disposable dental tray



FIG. 1 is a top plan view of a “disposable dental tray” showing my new design in its fully opened position;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a perspective view showing the tray in its closed position. 

The ornamental design for a disposable dental tray, as shown and described. 